Patents Assigned to Wella Operations US, LLC
  • Photopolymerizable base coat for a nail
    Patent number: 11439573
    Abstract: A photopolymerizable composition suitable for forming a polymerized base coat of a substantially uniform mixture of nitrocellulose and crosslinked (meth)acrylate polymer is disclosed. The composition comprises an ethyl acetate solution including multiple (meth)acrylate monomers, nitrocellulose, a rapid release copolymer of alkyl acrylate monomers, a chain extended di-(hydroxyethylmethacryloyl) trimethylhexyl dicarbamate oligomer of weight average molecular weight of 10 to 20 kDa, one or more plasticizers and a photoinitiator.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: September 13, 2022
    Assignee: Wella Operations US LLC
    Inventors: Xiaoyan Tu, Justina Vy Lan Hoang, Jay Jayasingha Kingsley
  • Hair-dyeing composition for minimizing ammonium hydroxide content and odor and method of producing the same
    Patent number: 11337907
    Abstract: A hair-dyeing composition with an effect of minimizing hair damage and scalp irritation caused by ammonia prescription and ammonia odor, which is capable of decreasing ammonia odor peculiar to a hair-dyeing composition and also of supplementing the hair with amino acids similar to hair proteins to decrease hair damage, especially hair roughness and hair shortening, for healthy dyeing and a method of producing the same.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: May 24, 2022
    Assignee: Wella Operations US, LLC
    Inventors: Sergio Ricardo Justa, Simone Aparecida da França Stefoni, Jéssica Francischini Novais, Beatriz de Moura Abreu
  • Hair treatment method and kit thereof
    Patent number: 10959919
    Abstract: A method for treating hair comprising applying at least one pigment onto hair for providing the basis for colouring hair in a more reproducible and reliable manner independently from a user's initial hair colour.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: March 30, 2021
    Assignee: Wella Operations US, LLC
    Inventors: Lars Siegfried Dahne, Mathias Kurt Herrlein, Ingo Weber, Markus Speckbacher, Mandy Hecht, Simon Paul Godfrey
  • Packaging for artificial nail products
    Patent number: D1050876
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: November 12, 2024
    Assignee: Wella Operations US LLC
    Inventors: Mino Kodama, Natalie Rose Genna
  • Packaging for artificial nail products
    Patent number: D1050877
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: November 12, 2024
    Assignee: Wella Operations US LLC
    Inventors: Mino Kodama, Natalie Rose Genna
  • Nail treatment packaging
    Patent number: D1057555
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: January 14, 2025
    Assignee: Wella Operations US, LLC
    Inventors: Todd Pasnak, Mino Kodama, Ya-Cheng Lin